The dishwasher isn't heating the water — what's causing the malfunction?

The wash cycle probably isn't progressing properly because the heating element is not working correctly.

In this case, more recent machines with a display have the advantage of showing the error code immediately. For older models, you need to watch the LED indicator flashes to identify the cause of the fault.

For complete statistics on all dishwasher faults, see the Archimede Lab: 224,554 interventions analysed, with faults, brands and error codes.